Correction to: Acta Diabetologica (2020) 57:733–741 https://doi.org/10.1007/s00592-019-01463-x

“We need to clarify an inconsistency in the description of the correct location of the variant. The observed variant (rs371227978, Arg148His) is located in the C1 domain and is conserved across species (see Figures 1S and 2S)”.

Figure 2S added in the supplementary section.